[PLUG AND PLAY] This mini keypad is plug and play, allowing repetitive settings and saving them in the keyboard. No need to set them again when switching devices. [PROGRAMMABLE DESIGN] Easily set all key functions of a standard keyboard, enabling the realization of complex shortcut key combinations. [USB WIRED CONNECTION] This gaming keypad adopts a USB wired connection, making it suitable for office, music, media, and industrial control. [WIDELY COMPATIBLE] The programmable keypad is compatible with Dos, Win, , OS X, , and more. [RED SWITCH] The programmable keypad features red switches, ensuringand responsive key presses for an enhanced typing and gaming experience. Spec: Item Type: Programmable Keypad Material: ABS Number Of Keys: 4 Applicable Scope: Computer Switch: Red Switch Package List: 1 x Programmable Keypad1 x USB Cable How To Use: open the website and download the software to configure.[RED SWITCH] The programmable keypad features red switches, ensuringand responsive key presses for an enhanced typing and gaming experience. [WIDELY COMPATIBLE] The programmable keypad is compatible with Dos, Win, , OS X, , and more. [USB WIRED CONNECTION] This gaming keypad adopts a USB wired connection, making it suitable for office, music, media, and industrial control. [PROGRAMMABLE DESIGN] Easily set all key functions of a standard keyboard, enabling the realization of complex shortcut key combinations. [PLUG AND PLAY] This mini keypad is plug and play, allowing repetitive settings and saving them in the keyboard. No need to set them again when switching devices.